Graphic Subsystem:

Onboard Matrox G200 with 16MB DDR2 display ram

Hard Disk Subsystem:

(6400-TR2) Up to twenty-four (24) SATA 3.5in hard drives. These drives can be configured as standalone units or hardware RAID.
(6400-SR) Up to twenty-four (24) SATA or SAS 3.5in hard drives. These drives can be configured as standalone units or hardware RAID.